Home / 21,986.88-32,982.48-9,504.96

Finding the Fourth Proportional to 21,986.88, 32,982.48 and 9,504.96

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Solution

The fourth proportional to 21,986.88, 32,982.48 and 9,504.96 is: 14,258.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,986.88 : 32,982.48 = 9,504.96 : x
  2. Step 2: Convert to fraction form
    21,986.88/32,982.48 = 9,504.96/x
  3. Step 3: Cross multiply
    21,986.88x = 32,982.48 × 9,504.96
  4. Step 4: Simplify right side
    21,986.88x = 313,497,153.10
  5. Step 5: Solve for x
    x = 313,497,153.10/21,986.88
  6. Step 6: Final answer
    x = 14,258.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.